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A176080 as a simple table

n a(n)
0 1
1 1
2 4
3 1
4 9
5 42
6 1
7 16
8 130
9 680
10 1
11 25
12 315
13 2555
14 14630
15 1
16 36
17 651
18 7616
19 63126
20 389592
21 1
22 49
23 1204
24 19236
25 219450
26 1871562
27 12314148
28 1
29 64
30 2052
31 42960
32 647130
33 7346592
34 64578228
35 449324304
36 1
37 81
38 3285
39 87285
40 1679535
41 24557247
42 280146867
43 2537661555
44 18555052230

[1,1,4,1,9,42,1,16,130,680,1,25,315,2555,14630,1,
 36,651,7616,63126,389592,1,49,1204,19236,219450,
 1871562,12314148,1,64,2052,42960,647130,7346592,
 64578228,449324304,1,81,3285,87285,1679535,
 24557247,280146867,2537661555,18555052230]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)